#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <time.h>
#include <string>
#include <sstream>

using namespace std;

const string numbers = "0123456789";

int string_to_int(string s) {
	int n;
	istringstream iss(s);
	iss >> n;
	return n;
}

int main() {
	string roll;
	string::size_type count_end;
	string::size_type die_end;
	string::size_type d;
    
	int count;
	int die;
	int sum;
	int value;
	
	srand(time(0));    

	while(true) {	
		cout << "Select die: ";
		cin >> roll;

		count_end = roll.find_first_not_of(numbers, 0);
		if (count_end == string::npos || count_end == 0) {
			continue;
		}

		d = roll.find_first_not_of('d', count_end + 1);
		if (d == string::npos || d != count_end + 1) {
			continue;
		}

		die_end = roll.find_first_not_of(numbers, d + 1);
		if (die_end != string::npos) {
			continue;
		}

		count = string_to_int(roll.substr(0, count_end));
		die = string_to_int(roll.substr(d, roll.length() - d)); 

		if (count <= 0 || die <= 0) {
			continue;
		}
			
		
		cout << "You roll: ";
		sum = 0;
		for (int i = 0; i < count; i++) {
			value = rand() % die + 1;
			sum += value;
			cout << value << " "; 
		}
		
		cout << "(sum " << sum << ")" << endl << endl;
		
	}

	return 0;
}